Home / 1,431,626.07-1,974,985.65-1,268,447.85

Finding the Fourth Proportional to 1,431,626.07, 1,974,985.65 and 1,268,447.85

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Solution

The fourth proportional to 1,431,626.07, 1,974,985.65 and 1,268,447.85 is: 1,749,874.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,626.07 : 1,974,985.65 = 1,268,447.85 : x
  2. Step 2: Convert to fraction form
    1,431,626.07/1,974,985.65 = 1,268,447.85/x
  3. Step 3: Cross multiply
    1,431,626.07x = 1,974,985.65 × 1,268,447.85
  4. Step 4: Simplify right side
    1,431,626.07x = 2,505,166,301,523.35
  5. Step 5: Solve for x
    x = 2,505,166,301,523.35/1,431,626.07
  6. Step 6: Final answer
    x = 1,749,874.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.